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29139-17-1

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29139-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29139-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,1,3 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 29139-17:
(7*2)+(6*9)+(5*1)+(4*3)+(3*9)+(2*1)+(1*7)=121
121 % 10 = 1
So 29139-17-1 is a valid CAS Registry Number.
InChI:InChI=1/C43H50N8O10/c1-24-40(57)50-20-9-12-30(50)41(58)49(4)32(22-26-14-16-28(44-3)17-15-26)42(59)51-21-18-29(52)23-31(51)37(54)48-35(27-10-6-5-7-11-27)43(60)61-25(2)34(38(55)46-24)47-39(56)36-33(53)13-8-19-45-36/h5-8,10-11,13-17,19,24-25,30-32,34-35,44,53H,9,12,18,20-23H2,1-4H3,(H,46,55)(H,47,56)(H,48,54)/t24-,25?,30?,31?,32+,34?,35?/m1/s1

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